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Nefit pump askoll for TrendLine
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Nefit pump askoll for TrendLine 8738900494

€ 213.67 incl. VAT

Original spare part Nefit (Bosch). Type: Pump. Application: Boiler / TrendLine HRC25 CW4. Supplier code: 8738900494.

SKU: 8029421 Categories: , Brand:

Price and stock checked on 20 October 2026.

✓ In stock — delivery usually within 3–5 working days
EU delivery from € 17.95 · Shipping & payment

Price incl. VAT. Any delivery costs are calculated in the basket — see shipping & delivery.

Does this fit my appliance?
ApplicationBoiler
Series / modelTrendLine HRC25 CW4 and 5 other models
Nefit (Bosch) number8738900494
Article number8029421
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Nefit (Bosch) TrendLine HRC25 CW4 →
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Nefit pump askoll for TrendLine: original Nefit spare part, type: Pump. Application: Boiler (TrendLine HRC25 CW4). Manufacturer number: 8738900494; Instalpunt article number: 8029421.

According to the Nefit parts lists, this part fits 6 models, including Nefit (Bosch) TrendLine HRC25 CW4, Nefit (Bosch) TrendLine HRC30 CW5 and Nefit (Bosch) TrendLine II HRC25 CW4 II. The full list is under “Fits”.

In stock: order before 14:00 and it ships the same working day; delivery within the EU usually takes 3–5 working days.

Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer. Work on gas-carrying parts must be carried out by a qualified gas engineer.

Product information: Nefit pump askoll for TrendLine 8738900494

BrandNefit (Bosch) spare parts
Nefit (Bosch) manufacturer number8738900494
Instalpunt article number8029421
EAN4054925761559
Part typePump (All Nefit (Bosch) pumps · pumps of all brands)
ApplicationBoiler
Suitable for6 Nefit (Bosch) models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 213,67 incl. VAT
OriginSupplied through the official technical wholesale channel, under Nefit (Bosch) number 8738900494

Also known as: cv-pomp, circulatiepomp.

Fits 6 Nefit (Bosch) models

The part Nefit pump askoll for TrendLine 8738900494 is in the official parts list of these Nefit (Bosch) appliances. Click a model for the complete parts list and exploded view.

Nefit (Bosch) Boiler (6)

Check the rating plate of your appliance. Not sure whether this part fits? Check with the manufacturer or your installer; with the correct manufacturer number you can order it here directly.

More spare parts for this appliance

For which fault is a Nefit (Bosch) pump replaced?

According to the fault code database, these Nefit (Bosch) fault codes point to this type of part. Always check first that the code matches the appliance type on the rating plate.

CodeWhat is going on
2CHeat exchanger safety sensor too hot. The pump is defective. The water level in the CH circuit is too low due to leakage or air in the installation
2FTemperature difference between the safety and flow sensor is too large. The flow and return sensors are swapped. There is too much resistance in the CH circuit, e.g. closed radiator valves. The bypass is incorrectly installed or set. The pump is stuck.
2Y 281Water pressure fault: the pump is stuck or running dry (air).
2Y 282The pump control signal is missing.

Indicative: the same code can have a different cause depending on the situation. Have work on gas, flue or burner adjustment carried out by a qualified installer.

Frequently asked questions about this item

Does the Nefit pump askoll for TrendLine 8738900494 fit my appliance?
This part is in the parts list of 6 Nefit (Bosch) models, namely the TrendLine HRC25 CW4, TrendLine HRC30 CW5, TrendLine II HRC25 CW4 II, TrendLine II HRC25 CW6 II, TrendLine II HRC30 CW5 II, TrendLine II HRC30 CW6 II. The model type is on the rating plate of your appliance. If in doubt, ask the manufacturer or your installer.
What is the delivery time for the Nefit pump askoll for TrendLine 8738900494?
This item is in stock. Ordered before 14:00, it ships the same working day and usually arrives within three to five working days.
Can I return this item?
Yes, unused and in the original packaging within 14 days of receipt. Unpacked or fitted items and electronics such as PCBs cannot be returned. How to register a return is explained on returns.
What does shipping cost?
Shipping costs € 17.95 to Austria, Denmark, Italy, Spain and Sweden and € 24.95 to other EU countries. In-stock items ordered before 2 pm are dispatched the same working day; delivery usually takes 3–5 working days. Details: Shipping.
I have a fault code, which part do I need?
Look up the code in the fault code finder: per brand and appliance it shows what the code means and which part goes with it. If the code is listed with this part, the part belongs to that fault.

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